Sulawesi Nightjar vs Lesser Nighthawk
Caprimulgus celebensis 比較対象 Chordeiles acutipennis
Side-by-Side Comparison
| 属性 | Sulawesi Nightjar | Lesser Nighthawk |
|---|---|---|
| 学名 | Caprimulgus celebensis | Chordeiles acutipennis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 37.4 cm (14.7 in) | 33.0 cm (13.0 in) |
| 体重 | 63.166666666666664 g (2.23 oz) | 50.0 g (1.76 oz) |
| 食性 | -- | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| 一腹卵数 | -- | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sulawesi Nightjar
Loud churring call; hollow 'chuck' notes with extended trill; calls at night from Sulawesi forest and scrub; endemic; alarm a sharp bark note
Lesser Nighthawk
Loud purring trill; buzzy 'brrrrr' given in flight; lower and softer than Common Nighthawk; males display with booming wingbeats; calls at dusk over deserts
Geographic Range & Migration
Sulawesi Nightjar
Lesser Nighthawk
Breeds in open arid scrub from southwestern USA south through Central America to western South America; winters in Mexico and northern South America.
保全状況
Sulawesi Nightjar
Lesser Nighthawk
How to Tell Them Apart
Sulawesi Nightjar
Richly marked rufous-brown and dark grey upperparts; pale buff spotting on wing coverts; white throat patch; underparts buff-white barred brown; Sulawesi endemic showing warmer tones than many regional congeners.
Lesser Nighthawk
Brown and buff mottled above; buff-white below with brown barring; white throat in male; white wing bar closer to wingtip than in Common Nighthawk; buff tail band. Female with buff …
About These Birds
Sulawesi Nightjar
体長24〜26cmのスラウェシ固有のヨタカ。低地・山地林に生息する暗褐色の鳥。
Lesser Nighthawk
ヒメナイトホーク(Chordeiles acutipennis)は北アメリカ南西部からブラジルにかけて広く分布するナイトホークです。体長約20cmで、細長い翼と独特の飛行パターンが特徴です。薄明時に昆虫を捕食し、砂地や岩石地の地面に営巣します。